JobLeonard/index.html

## index.html
<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8"/>
	<title>char vs charCode combined with object vs Map hasOwnProperty #jsbench #jsperf</title>
	<script src="https://cdnjs.cloudflare.com/ajax/libs/benchmark/1.0.0/benchmark.min.js"></script>
	<script src="./suite.js"></script>
</head>
<body>
	<h1>Open the console to view the results</h1>
	<h2><code>cmd + alt + j</code> or <code>ctrl + alt + j</code></h2>
</body>
</html>

## suite.js
"use strict";

(function (factory) {
	if (typeof Benchmark !== "undefined") {
		factory(Benchmark);
	} else {
		factory(require("benchmark"));
	}
})(function (Benchmark) {
	var suite = new Benchmark.Suite;

	Benchmark.prototype.setup = function () {
		var base64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";

		var charDict = (function (){
		    var dict = {};
		    dict[-1] = 0;
		    for (var i = 0; i < base64.length; i++){
		        dict[base64.charAt(i)] = i;
		    }
		    return dict;
		})();

		var charCodeDict = (function () {
		    var dict = {};
		    dict[-1] = 0;
		    for (var i = 0; i < base64.length; i++){
		        dict[base64.charCodeAt(i)] = i;
		    }
		    return dict;
		})();

		var charMap = (function (){
		    var dict = new Map();
		    dict.set(-1, 0);
		    for (var i = 0; i < base64.length; i++){
		        dict.set(base64.charAt(i), i);
		    }
		    return dict;
		})();

		var charCodeMap = (function (){
		    var dict = new Map();
		    dict.set(-1, 0);
		    for (var i = 0; i < base64.length; i++){
		        dict.set(base64.charCodeAt(i), i);
		    }
		    return dict;
		})();

		var randomString = (function (){
		    var i = 100000, strArray = new Array(i);
		    while(i--){
		        strArray[i] = base64.charAt(Math.random(base64.length)|0);
		    }
		    return strArray.join('');
		})();

		var converted = new Array(randomString.length);
		for (var i = 0; i < converted.length; i++){
		    converted[i] = false;
		}
	};

	Benchmark.prototype.teardown = function () {
		for (var i = 0; i < converted.length; i++){
		    if (!converted[i]){
		        throw 'TEST FAILED!';
		    }
		    converted[i] = false;
		}
	};

	suite.add("char object hasOwnProperty", function () {
		// char object hasOwnProperty
		for (var i = 0; i < randomString.length; i++){
		    converted[i] = Object.prototype.hasOwnProperty.call(charDict, randomString.charAt(i));
		}
	});

	suite.add("charCode object hasOwnProperty", function () {
		// charCode object hasOwnProperty
		for (var i = 0; i < randomString.length; i++){
		    converted[i] = Object.prototype.hasOwnProperty.call(charCodeDict, randomString.charCodeAt(i));
		}
	});

	suite.add("char Map has", function () {
		// char Map has
		for (var i = 0; i < randomString.length; i++){
		    converted[i] = charMap.has(randomString.charAt(i));
		}
	});

	suite.add("charCode Map has", function () {
		// charCode Map has
		for (var i = 0; i < randomString.length; i++){
		    converted[i] = charCodeMap.has(randomString.charCodeAt(i));
		}
	});

	suite.add("char object[key] !== undefined", function () {
		// char object[key] !== undefined
		for (var i = 0; i < randomString.length; i++){
		    converted[i] =charDict[randomString.charAt(i)] !== undefined;
		}
	});

	suite.add("charCode object[key] !== undefined", function () {
		// charCode object[key] !== undefined
		for (var i = 0; i < randomString.length; i++){
		    converted[i] = charCodeDict[randomString.charCodeAt(i)] !== undefined;
		}
	});

	suite.on("cycle", function (evt) {
		console.log(" - " + evt.target);
	});

	suite.on("complete", function (evt) {
		console.log(new Array(30).join("-"));

		var results = evt.currentTarget.sort(function (a, b) {
			return b.hz - a.hz;
		});

		results.forEach(function (item) {
			console.log((idx + 1) + ". " + item);
		});
	});

	console.log("char vs charCode combined with object vs Map hasOwnProperty #jsbench #jsperf");
	console.log(new Array(30).join("-"));
	suite.run();
});
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8"/>
	<title>char vs charCode combined with object vs Map hasOwnProperty #jsbench #jsperf</title>
	<script src="https://cdnjs.cloudflare.com/ajax/libs/benchmark/1.0.0/benchmark.min.js"></script>
	<script src="./suite.js"></script>
	</head>
	<body>
	<h1>Open the console to view the results</h1>
	<h2><code>cmd + alt + j</code> or <code>ctrl + alt + j</code></h2>
	</body>
	</html>
	"use strict";

	(function (factory) {
	if (typeof Benchmark !== "undefined") {
	factory(Benchmark);
	} else {
	factory(require("benchmark"));
	}
	})(function (Benchmark) {
	var suite = new Benchmark.Suite;

	Benchmark.prototype.setup = function () {
	var base64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";

	var charDict = (function (){
	var dict = {};
	dict[-1] = 0;
	for (var i = 0; i < base64.length; i++){
	dict[base64.charAt(i)] = i;
	}
	return dict;
	})();

	var charCodeDict = (function () {
	var dict = {};
	dict[-1] = 0;
	for (var i = 0; i < base64.length; i++){
	dict[base64.charCodeAt(i)] = i;
	}
	return dict;
	})();

	var charMap = (function (){
	var dict = new Map();
	dict.set(-1, 0);
	for (var i = 0; i < base64.length; i++){
	dict.set(base64.charAt(i), i);
	}
	return dict;
	})();

	var charCodeMap = (function (){
	var dict = new Map();
	dict.set(-1, 0);
	for (var i = 0; i < base64.length; i++){
	dict.set(base64.charCodeAt(i), i);
	}
	return dict;
	})();

	var randomString = (function (){
	var i = 100000, strArray = new Array(i);
	while(i--){
	strArray[i] = base64.charAt(Math.random(base64.length)\|0);
	}
	return strArray.join('');
	})();

	var converted = new Array(randomString.length);
	for (var i = 0; i < converted.length; i++){
	converted[i] = false;
	}
	};

	Benchmark.prototype.teardown = function () {
	for (var i = 0; i < converted.length; i++){
	if (!converted[i]){
	throw 'TEST FAILED!';
	}
	converted[i] = false;
	}
	};

	suite.add("char object hasOwnProperty", function () {
	// char object hasOwnProperty
	for (var i = 0; i < randomString.length; i++){
	converted[i] = Object.prototype.hasOwnProperty.call(charDict, randomString.charAt(i));
	}
	});

	suite.add("charCode object hasOwnProperty", function () {
	// charCode object hasOwnProperty
	for (var i = 0; i < randomString.length; i++){
	converted[i] = Object.prototype.hasOwnProperty.call(charCodeDict, randomString.charCodeAt(i));
	}
	});

	suite.add("char Map has", function () {
	// char Map has
	for (var i = 0; i < randomString.length; i++){
	converted[i] = charMap.has(randomString.charAt(i));
	}
	});

	suite.add("charCode Map has", function () {
	// charCode Map has
	for (var i = 0; i < randomString.length; i++){
	converted[i] = charCodeMap.has(randomString.charCodeAt(i));
	}
	});

	suite.add("char object[key] !== undefined", function () {
	// char object[key] !== undefined
	for (var i = 0; i < randomString.length; i++){
	converted[i] =charDict[randomString.charAt(i)] !== undefined;
	}
	});

	suite.add("charCode object[key] !== undefined", function () {
	// charCode object[key] !== undefined
	for (var i = 0; i < randomString.length; i++){
	converted[i] = charCodeDict[randomString.charCodeAt(i)] !== undefined;
	}
	});

	suite.on("cycle", function (evt) {
	console.log(" - " + evt.target);
	});

	suite.on("complete", function (evt) {
	console.log(new Array(30).join("-"));

	var results = evt.currentTarget.sort(function (a, b) {
	return b.hz - a.hz;
	});

	results.forEach(function (item) {
	console.log((idx + 1) + ". " + item);
	});
	});

	console.log("char vs charCode combined with object vs Map hasOwnProperty #jsbench #jsperf");
	console.log(new Array(30).join("-"));
	suite.run();
	});